package com.whitedust.top10;

import com.whitedust.structure.ListNode;

/**
 * @author A
 * @since 2025/11/2 13:36
 */

public class Top9 {
    public ListNode mergeTwoLists(ListNode list1, ListNode list2) {
        ListNode dummy = new ListNode(0);
        ListNode cur = dummy;
        while (list1 != null && list2 != null) {
            if (list1.val < list2.val) {
                cur.next = list1;
                list1 = list1.next;
            }else{
                cur.next = list2;
                list2 = list2.next;
            }
            cur = cur.next;
        }
        if (list1 != null) {
            cur.next = list1;
        }
        if (list2 != null) {
            cur.next = list2;
        }
        return dummy.next;
    }

}
